CN219029046U

CN219029046U - Suspension device and centralized fool-proof trolley

Info

Publication number: CN219029046U
Application number: CN202222543231.XU
Authority: CN
Inventors: 卜显利; 邓雪; 谢飞
Original assignee: Chengdu Yunda Technology Co Ltd
Current assignee: Chengdu Yunda Technology Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-16
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a suspension device and a centralized foolproof trolley. The driving assembly and the driving wheels are arranged to provide driving force, the retainer is arranged to be frame-shaped, the output end of the driving assembly is positioned in the retainer, the driving assembly is rigidly fixed, and the driving assembly and the driving wheels are respectively positioned at two sides of the retainer, so that the structural balance is improved; on this basis, through setting up the suspension assembly, the rigidity assembly that makes drive assembly and holder connect formation is connected with external environment through suspension assembly, provides the elasticity compensation of vertical direction for whole rigidity assembly, makes it float from top to bottom, effectively overcomes the uneven ground environment in the rail vehicle maintenance storehouse to effectively solve current self-driven centralized foolproof dolly can't be in the technical problem of rail vehicle maintenance storehouse smooth operation.

Description

Suspension device and centralized fool-proof trolley

Technical Field

The utility model relates to the technical field of driving suspension, in particular to a suspension device and a centralized fool-proof trolley.

Background

The automatic dust-free workshop has good running environment, high ground flatness and simple road condition, and no ramp, gully and ground obstacle, and can meet the normal running requirement of the existing self-driven trolley. However, the environment in the railway vehicle overhaul storage is complex, and the railway vehicle overhaul storage has a track ditch and a ground ramp, and the ground states are different, so that the existing self-driven trolley cannot smoothly run in the railway vehicle overhaul storage.

Disclosure of Invention

The utility model aims to provide a suspension device which solves the technical problem that an existing self-driven trolley cannot smoothly run in a railway vehicle overhaul storage.

The utility model is realized by the following technical scheme:

a suspension device comprising: the output end of the driving assembly is connected with a driving wheel; the retainer is frame-shaped, the driving assembly is rigidly connected with the retainer, the output end of the driving assembly is positioned in the retainer, and the driving wheel and the driving assembly are respectively positioned at two sides of the retainer; the suspension assembly comprises a top plate and an elastic assembly, wherein the top plate is used for being connected with the external environment, and the top plate is connected with the retainer through the elastic assembly.

Optionally, the elastic component includes a plurality of elastic components, the elastic component includes the spring, coaxial cover in the spring is the guiding axle, guiding axle one end with roof fixed connection, the other end with holder sliding connection, a plurality of the elastic component the guiding axle parallel arrangement.

Optionally, one end of the guide shaft, which is slidably connected with the retainer, is connected with a limiting seat, and the limiting seat is used for being connected with an external environment.

Optionally, an external thread is formed at one end of the guide shaft fixedly connected with the top plate, an adjusting nut is screwed on the guide shaft, and the spring clamp is arranged between the adjusting nut and the retainer.

Optionally, the retainer is provided with a plurality of protruding edges, each protruding edge is provided with a linear bearing, the plurality of linear bearings are in one-to-one correspondence with the plurality of elastic pieces, and the guide shaft of the elastic piece is in sliding sleeve with the corresponding linear bearings.

Optionally, the retainer is rectangular frame-shaped, the number of the convex edges is two, the two convex edges are symmetrically arranged in the middle of two sides of the retainer, which are opposite to each other, and the width of the convex edges is the same as the thickness of the retainer.

Optionally, the drive assembly includes rigid connection's driving motor and speed reducer, driving motor is the strip, driving motor's length direction with the thickness direction of holder is perpendicular, driving motor lateral wall with the holder pastes establishes, the output of speed reducer is located in the holder, and with holder rigid connection, the output shaft of speed reducer with the thickness direction of holder is parallel, the driving wheel with the output shaft of speed reducer, driving motor with the driving wheel is located respectively the both sides of holder thickness direction.

Optionally, the roof is even has the promotion nut, the screw rod has been connect soon to the promotion nut, the cage has opened the promotion hole, the screw rod pass the promotion hole with cage sliding connection, the screw rod with cage sliding connection's one end even has the separation blade, the size of separation blade is greater than the size of promotion hole.

The centralized fool-proof trolley comprises a trolley body, wherein the trolley body is provided with a plurality of driven wheels, and the trolley body is provided with a plurality of any one of the hanging devices.

Optionally, the plurality of driving wheels are located at the middle part of the bottom of the vehicle body.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the suspension device, the driving component and the driving wheels are arranged to provide driving force, the retainer is arranged to be frame-shaped, the output end of the driving component is positioned in the retainer, the driving component is rigidly fixed, and the driving component and the driving wheels are respectively positioned at two sides of the retainer, so that the structural balance is improved; on the basis, through setting up the suspension assembly, the rigidity assembly that makes drive assembly and holder connect formation is connected with external environment through suspension assembly, provides the elasticity compensation of vertical direction for whole rigidity assembly, makes it float from top to bottom, effectively overcomes the uneven ground environment in the rail vehicle maintenance storehouse.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a schematic view of a suspension device according to the present utility model;

fig. 2 is a schematic diagram of a centralized fool-proof trolley provided by the utility model;

fig. 3 is a schematic side view of the centralized fool-proof trolley provided by the utility model.

In the drawings, the reference numerals and corresponding part names:

1-a vehicle body; 2-driven wheel; 10-driving the wheels; 11-a drive motor; 12-a speed reducer; 20-a retainer; 21-convex edges; 22-linear bearings; 23-lifting holes; 30-top plate; 31-an elastic component; 32-a spring; 33-a guide shaft; 34-limiting seats; 35-adjusting the nut; 40-lifting the nut; 41-screw rod.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Examples

Referring to fig. 1, a suspension device according to an embodiment of the present utility model includes: the output end of the driving assembly is connected with a driving wheel 10; the second comprises a retainer 20, the retainer 20 is in a frame shape, the driving assembly is rigidly connected with the retainer 20, the output end of the driving assembly is positioned in the retainer 20, and the driving wheel 10 and the driving assembly are respectively positioned at two sides of the retainer 20; the third comprises a suspension assembly comprising a top plate 30 and an elastic assembly 31, said top plate 30 being adapted to be connected to the external environment, said top plate 30 being connected to said holder 20 by means of said elastic assembly 31.

By arranging the driving assembly and the driving wheel 10, driving force is provided, the retainer 20 is made to be frame-shaped, the output end of the driving assembly is positioned in the retainer 20, the driving assembly is rigidly fixed, and the driving assembly and the driving wheel 10 are respectively positioned at two sides of the retainer 20, so that structural balance is improved; on this basis, through setting up the suspension assembly, the rigidity assembly that makes drive assembly and holder 20 connection formation passes through the suspension assembly and is connected with external environment (generally dolly bottom), provides the elasticity compensation of vertical direction for whole rigidity assembly, makes it float from top to bottom, effectively overcomes the uneven ground environment in the rail vehicle maintenance storehouse.

In order to further explain the specific structure of the elastic assembly 31, the elastic assembly 31 includes a plurality of elastic members, the elastic members include a spring 32, a guide shaft 33 is coaxially sleeved in the spring 32, one end of the guide shaft 33 is fixedly connected with the top plate 30, the other end is slidably connected with the retainer 20, and the guide shafts 33 of the plurality of elastic members are arranged in parallel.

By arranging the elastic member including the spring 32, elastic compensation is provided for the foundation, on the basis, one end of the elastic member is fixedly connected with the top plate 30, the other end of the elastic member is slidably connected with the retainer 20, the sliding mode is limited by the guide shaft 33, the retainer 20 can only slide along the axial direction of the guide shaft 33, and meanwhile, unnecessary bending is avoided when the spring 32 is extruded.

In order to prevent the cage 20 from being separated from the guide shaft 33, a limit seat 34 is connected to one end of the guide shaft 33 slidably connected to the cage 20, and the limit seat 34 is used for being connected to the external environment.

Through setting up spacing seat 34, on the one hand increases the size of guiding axle 33 tip, prevents that it from breaking away from with holder 20, on the other hand through its being connected with external environment (generally centralized fool-proof dolly bottom), fixes and spacing guiding axle 33's tip, promotes guiding axle 33's structural strength, prevents that it from taking place unnecessary crooked.

In order to adapt to different ground environments, an external thread is formed at one end of the guide shaft 33 fixedly connected with the top plate 30, an adjusting nut 35 is screwed on the guide shaft, and the spring 32 is clamped between the adjusting nut 35 and the retainer 20.

By providing the adjusting nut 35, the spring 32 can be squeezed and loosened by screwing the adjusting nut 35, so that the hardness of the whole suspension assembly can be adjusted to adapt the driving wheel 10 to different ground environments.

In this embodiment, the spring 32 is always in a compressed state.

For further explanation of the sliding connection structure between the holder 20 and the guide shaft 33, the holder 20 is provided with a plurality of protruding edges 21, each protruding edge 21 is provided with a linear bearing 22, the plurality of linear bearings 22 are in one-to-one correspondence with the plurality of elastic members, and the guide shaft 33 of the elastic members is slidably sleeved with the corresponding linear bearings 22.

In order to further optimize the structure, the retainer 20 is rectangular, the number of the protruding edges 21 is two, the two protruding edges 21 are symmetrically arranged in the middle of two opposite sides of the retainer 20, and the width of the protruding edges 21 is the same as the thickness of the retainer 20.

Through above-mentioned setting, promote the structural symmetry and the stability of whole suspension assembly to make whole drive arrangement of hanging become "slice", effectively reduce thickness, effectively reduced space occupation degree under the prerequisite of guaranteeing drive and suspension function, be convenient for install and set up.

In order to further explain the specific structure of the driving assembly, the driving assembly includes a driving motor 11 and a speed reducer 12 that are rigidly connected, the driving motor 11 is in a strip shape, the length direction of the driving motor 11 is perpendicular to the thickness direction of the retainer 20, the side wall of the driving motor 11 is attached to the retainer 20, the output end of the speed reducer 12 is located in the retainer 20 and is rigidly connected to the retainer 20, the output shaft of the speed reducer 12 is parallel to the thickness direction of the retainer 20, the driving wheel 10 is connected to the output shaft of the speed reducer 12, and the driving motor 11 and the driving wheel 10 are located at two sides of the thickness direction of the retainer 20.

Through the above arrangement, the overall mechanism is further optimized and the driving motor 11 and the driving wheel 10 are utilized to form balance, so that the circumferential pressure of the suspension assembly is relieved.

In order to cope with the damage of the whole device, the top plate 30 is connected with a lifting nut 40, the lifting nut is screwed with a screw rod 41, the retainer 20 is provided with a lifting hole 23, the screw rod 41 passes through the lifting hole 23 to be in sliding connection with the retainer 20, one end of the screw rod 41, which is in sliding connection with the retainer 20, is connected with a baffle (not shown), and the size of the baffle is larger than that of the lifting hole 23.

Through setting up lifting nut 40 and lead screw 41 and separation blade, when the whole device takes place to damage, rotatory lead screw 41 drives whole holder 20 and moves up to drive assembly and drive wheel 10 and move up, make drive wheel 10 break away from ground, then promote centralized foolproof dolly and remove can.

Referring to fig. 2 and 3 on the basis of embodiment 1, the embodiment of the utility model further provides a centralized foolproof trolley, which comprises a trolley body 1, wherein the trolley body 1 is provided with a plurality of driven wheels 2, and the trolley body 1 is provided with a plurality of suspension devices.

It should be noted that, the top plate 30 is mounted at the bottom of the vehicle body 1 and fixedly connected with the bottom of the vehicle body 1, and meanwhile, the limit seat 34 is also fixedly connected with the bottom of the vehicle body 1.

Preferably, a plurality of the driving wheels 10 are located at the middle of the bottom of the vehicle body 1.

By arranging the plurality of driving wheels 10 in the middle of the bottom of the vehicle body 1, when the whole suspension device is damaged, the whole vehicle body 1 can be kept balanced and moved by the plurality of driven wheels 2 because the driving wheels are positioned in the middle and cannot influence the balance of the whole vehicle body 1.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A suspension device, comprising:

the output end of the driving assembly is connected with a driving wheel (10);

the retainer (20), the retainer (20) is frame-shaped, the driving assembly is rigidly connected with the retainer (20), the output end of the driving assembly is positioned in the retainer (20), and the driving wheel (10) and the driving assembly are respectively positioned at two sides of the retainer (20);

the suspension assembly comprises a top plate (30) and an elastic assembly (31), wherein the top plate (30) is used for being connected with the external environment, and the top plate (30) is connected with the retainer (20) through the elastic assembly (31).

2. Suspension device according to claim 1, characterized in that the elastic assembly (31) comprises a plurality of elastic members, the elastic members comprise springs (32), guide shafts (33) are coaxially sleeved in the springs (32), one ends of the guide shafts (33) are fixedly connected with the top plate (30), the other ends of the guide shafts are slidably connected with the retainer (20), and the guide shafts (33) of the plurality of elastic members are arranged in parallel.

3. Suspension device according to claim 2, characterized in that the end of the guiding shaft (33) in sliding connection with the holder (20) is connected with a limit seat (34), the limit seat (34) being adapted to be connected with the external environment.

4. A suspension device according to claim 3, wherein the end of the guide shaft (33) fixedly connected to the top plate (30) is provided with an external thread and is screwed with an adjusting nut (35), and the spring (32) is sandwiched between the adjusting nut (35) and the holder (20).

5. Suspension device according to claim 2, characterized in that the holder (20) is provided with a number of flanges (21), each flange (21) being provided with a linear bearing (22), a number of linear bearings (22) being in one-to-one correspondence with a number of elastic elements, the guide shafts (33) of which are slidably fitted with the corresponding linear bearings (22).

6. The suspension device according to claim 5, wherein the holder (20) has a rectangular frame shape, the number of the protruding edges (21) is two, the two protruding edges (21) are symmetrically arranged in the middle of two opposite sides of the holder (20), and the width of the protruding edges (21) is the same as the thickness of the holder (20).

7. The suspension device according to claim 6, wherein the driving assembly comprises a driving motor (11) and a speed reducer (12) which are rigidly connected, the driving motor (11) is strip-shaped, the length direction of the driving motor (11) is perpendicular to the thickness direction of the retainer (20), the side wall of the driving motor (11) is attached to the retainer (20), the output end of the speed reducer (12) is located in the retainer (20) and rigidly connected with the retainer (20), the output shaft of the speed reducer (12) is parallel to the thickness direction of the retainer (20), the driving wheel (10) is connected with the output shaft of the speed reducer (12), and the driving motor (11) and the driving wheel (10) are located on two sides of the thickness direction of the retainer (20) respectively.

8. Suspension device according to any one of claims 1-7, characterized in that the top plate (30) is connected with a lifting nut (40), the lifting nut is screwed with a screw rod (41), the holder (20) is provided with a lifting hole (23), the screw rod (41) passes through the lifting hole (23) and is slidingly connected with the holder (20), one end of the screw rod (41) slidingly connected with the holder (20) is connected with a baffle, and the size of the baffle is larger than that of the lifting hole (23).

9. A centralized fool-proof trolley, characterized by comprising a trolley body (1), wherein the trolley body (1) is provided with a plurality of driven wheels (2), and the trolley body (1) is provided with a plurality of suspension devices according to any one of claims 1-8.

10. The centralized fool-proof trolley according to claim 9, characterized in that several of the driving wheels (10) are located in the middle of the bottom of the vehicle body (1).